@Article{CMR-25-253, author = {Qi , Jing and Ji , Guoxing}, title = {Linear Maps Preserving Idempotency of Products of Matrices on Upper Triangular Matrix Algebras}, journal = {Communications in Mathematical Research }, year = {2021}, volume = {25}, number = {3}, pages = {253--264}, abstract = {
Let $\mathcal{T}_n$ be the algebra of all $n × n$ complex upper triangular matrices. We give the concrete forms of linear injective maps on $\mathcal{T}_n$ which preserve the nonzero idempotency of either products of two matrices or triple Jordan products of two matrices.
}, issn = {2707-8523}, doi = {https://doi.org/}, url = {http://global-sci.org/intro/article_detail/cmr/19332.html} }